The ADF400L series multi-user electric energy meter can achieve up to 12 three-phase or 36 single-phase direct access measurement or 12 three-phase mutual inductor access measurement, a hybrid of direct access and mutual inductor access through module combination measurement method. This series of electric energy meters are popular among communities, schools, enterprises, etc. due to their high accuracy, centralized installation, centralized management, high installation flexibility, and non-interference.
Model | ADF400L-HSD(Y) | |
Auxiliary power | Voltage | Three-phase 3*220V/380V power supply (for single-phase power supply, short-circuit terminals 1, 2, and 3 on the instrument) |
Power consumption | ≤10W | |
Voltage input | Rated voltage | 3×220/380V, 3×57.7/100V |
Reference frequency | 50Hz | |
Current input | Input current | 3×1(6)A(instrument transformer access), 3*10 (80) (direct access) |
Starting current | 1‰Ib | |
Measuring performance | measurement accuracy | 0.5s level |
Clock accuracy | ≤0.5s/d | |
Pulse | Pulse output | Each three-phase metering module has 1 active energy pulse |
Pulse width | 80ms±20ms | |
Pulse constant | 3×1(6)A specification 6400 imp/kWh 3×10(80)A specification 400 imp/kWh | |
Switch | Main module | Main module 2DI+2DO, among them, DI is dry contact input |
Slave module | Transformer access slave module 4DI+4DO, among them, DI is 220V wet contact input | |
Communication | Infrared interface | Infrared communication |
RS485 interface | MODBUS-RTU | |
Ethernet interface | Modbus-TCP、TCP/IP | |
Surroundings | Temperature | Operating temperature: -20℃~+60℃ Storage temperature: -30℃~+70℃ |
Humidity | ≤95%RH, no condensation, no corrosive gas place | |
Altitude | ≤2000m |